diff --git a/rootdir/init.rc b/rootdir/init.rc
index 863cf6c..68a76f1 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -738,6 +738,8 @@
     mkdir /data/misc/snapshotctl_log 0755 root root
     # create location to store pre-reboot information
     mkdir /data/misc/prereboot 0700 system system
+    # directory used for on-device signing key blob
+    mkdir /data/misc/odsign 0700 root root
 
     mkdir /data/preloads 0775 system system encryption=None
 
@@ -877,6 +879,10 @@
     # Set SELinux security contexts on upgrade or policy update.
     restorecon --recursive --skip-ce /data
 
+    # Start the on-device signing daemon, and wait for it to finish, to ensure
+    # ART artifacts are generated if needed.
+    exec_start odsign
+
     # After apexes are mounted, tell keymaster early boot has ended, so it will
     # stop allowing use of early-boot keys
     exec - system system -- /system/bin/vdc keymaster earlyBootEnded